6615795040domain: NAppears in sequencesNumber of (n+1)X3 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one.at n=6A206079Number of (n+1)X8 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one.at n=1A206084